﻿using System;
using System.ComponentModel.Design;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Interop;
using Microsoft.AutoPropertyConverterVSX;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.TextManager.Interop;
using OlegShilo.PropMan;

namespace OlegShilo.PropMan
{
    /// <summary>
    /// This is the class that implements the package exposed by this assembly.
    ///
    /// The minimum requirement for a class to be considered a valid package for Visual Studio
    /// is to implement the IVsPackage interface and register itself with the shell.
    /// This package uses the helper classes defined inside the Managed Package Framework (MPF)
    /// to do it: it derives from the Package class that provides the implementation of the
    /// IVsPackage interface and uses the registration attributes defined in the framework to
    /// register itself and its components with the shell.
    /// </summary>
    // This attribute tells the PkgDef creation utility (CreatePkgDef.exe) that this class is
    // a package.
    [PackageRegistration(UseManagedResourcesOnly = true)]

    // This attribute is used to register the information needed to show this package
    // in the Help/About dialog of Visual Studio.
    [InstalledProductRegistration("#110", "#112", "1.0", IconResourceID = 400)]

    // This attribute is needed to let the shell know that this package exposes some menus.
    [ProvideMenuResource("Menus.ctmenu", 1)]
    [ProvideToolWindow(typeof(MyToolWindow))]
    [Guid(GuidList.guidPropManPkgString)]
    public sealed class PropManPackage : Package
    {
        /// <summary>
        /// Default constructor of the package.
        /// Inside this method you can place any initialization code that does not require
        /// any Visual Studio service because at this point the package object is created but
        /// not sited yet inside Visual Studio environment. The place to do all the other
        /// initialization is the Initialize method.
        /// </summary>
        public PropManPackage()
        {
            Debug.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering constructor for: {0}", this.ToString()));
        }

        /////////////////////////////////////////////////////////////////////////////
        // Overridden Package Implementation

        #region Package Members

        /// <summary>
        /// Initialization of the package; this method is called right after the package is sited, so this is the place
        /// where you can put all the initialization code that rely on services provided by VisualStudio.
        /// </summary>
        protected override void Initialize()
        {
            Debug.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering Initialize() of: {0}", this.ToString()));
            base.Initialize();

            // Add our command handlers for menu (commands must exist in the .vsct file)
            OleMenuCommandService mcs = GetService(typeof(IMenuCommandService)) as OleMenuCommandService;
            if (null != mcs)
            {
                // Create the command for the menu item.
                CommandID menuCommandID = new CommandID(GuidList.guidPropManCmdSet, (int)PkgCmdIDList.cmdidOpenCommand);
                MenuCommand menuItem = new MenuCommand(MenuItemCallback, menuCommandID);
                mcs.AddCommand(menuItem);

                // Create the command for the menu item.
                menuCommandID = new CommandID(GuidList.guidPropManConfigCmdSet, (int)PkgCmdIDList.cmdidOpenConfigCommand);
                menuItem = new MenuCommand(ShowToolWindow, menuCommandID);
                mcs.AddCommand(menuItem);
            }
        }

        #endregion Package Members

        /// <summary>
        /// This function is the callback used to execute a command when the a menu item is clicked.
        /// See the Initialize method to see how the menu item is associated to this function using
        /// the OleMenuCommandService service and the MenuCommand class.
        /// </summary>
        private void MenuItemCallback(object sender, EventArgs e)
        {
            try
            {
                var txtxMgr = (IVsTextManager)GetService(typeof(SVsTextManager));

                IVsUIShell uiShell = (IVsUIShell)GetService(typeof(SVsUIShell));
                IntPtr mainWnd;
                uiShell.GetDialogOwnerHwnd(out mainWnd);

                var dialog = new Window1();
                WindowInteropHelper helper = new WindowInteropHelper(dialog);
                helper.Owner = mainWnd;

                dialog.ShowDialog();

                if (dialog.SelectedOperation == Window1.Operation.AutoFull)
                {
                    var plugin = new AutoPropertyConverter(txtxMgr);
                    plugin.Execute();
                }
                else if (dialog.SelectedOperation == Window1.Operation.Encapsulate)
                {
                    var plugin = new FieldConverter(txtxMgr);
                    plugin.Execute();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void ShowToolWindow(object sender, EventArgs e)
        {
            try
            {
                // Get the instance number 0 of this tool window. This window is single instance so this instance
                // is actually the only one.
                // The last flag is set to true so that if the tool window does not exists it will be created.
                //ToolWindowPane window = this.FindToolWindow(typeof(MyToolWindow), 0, true);

                //if ((null == window) || (null == window.Frame))
                //{
                //    throw new NotSupportedException("Can not create tool window.");
                //}
                //IVsWindowFrame windowFrame = (IVsWindowFrame)window.Frame;
                //Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(windowFrame.Show());

                var txtxMgr = (IVsTextManager)GetService(typeof(SVsTextManager));

                IVsUIShell uiShell = (IVsUIShell)GetService(typeof(SVsUIShell));
                IntPtr mainWnd;
                uiShell.GetDialogOwnerHwnd(out mainWnd);

                var dialog = new ConfigWindow();
                WindowInteropHelper helper = new WindowInteropHelper(dialog);
                helper.Owner = mainWnd;

                dialog.ShowDialog();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
    }
}